EXHIBIT 5.1 August 3, 1998 Transportation Components, Inc. Three Riverway Suite 630 Houston, TX 77056 Ladies and Gentlemen: We have acted as counsel to Transportation Components, Inc., a Delaware Corporation (the "Company"), in connection with the preparation of its Registration Statement on Form S-4 (the "Registration Statement") filed by the Company under the Securities Act of 1933, as amended (the "Securities Act"). The Registration Statement relates to the offering and sale by the Company of up to 10,000,000 shares of its common stock, par value $.01 per share (the "Common Stock"), which the Company will issue and sell from time to time in connection with business combinations. We have examined originals or copies of: (i) the Amended and Restated Certificate of Incorporation of the Company, as amended, (ii) the Bylaws of the Company, as amended; (iii) certain resolutions of the Board of Directors of the Company; and (iv) such other documents and records as we have deemed necessary and relevant for the purposes hereof. We have relied upon certificates of public officials and officers of the Company as to certain matters of fact relating to this opinion and have made such investigations of law as we have deemed necessary and relevant as a basis hereof. We have not independently verified any factual matter relating to this opinion. In such examination, we have assumed the genuineness of all signatures, the authenticity of all documents, certificates and records submitted to us as copies, and the conformity to original documents, certificates and records of all documents, certificates and records submitted to us as copies. We have also assumed that (i) the Registration Statement, and any amendments thereto (including post-effective amendments), will have become effective; (ii) all Common Stock will be issued and sold in compliance with applicable federal and state securities laws and in the manner stated in the Registration Statement and any appropriate prospectus supplement. Based upon the foregoing, and subject to the limitations and assumptions set forth herein, and having due regard for such legal considerations as we deem relevant, we are of the opinion that: 1. The Company is a corporation duly incorporated, validly existing and in good standing under the laws of the State of Delaware. 2. The Common Stock is duly authorized, and when issued and delivered by the Company against payment therefor as described in the Registration Statement pursuant to Board authorization of the transactions contemplated by such Registration Statement, such shares will be duly and validly issued, fully paid and nonassessible. The foregoing opinion is based on and is limited to the laws of the State of Delaware that pertain specifically to for-profit corporations, and we render no opinion with respect to any other law. We hereby consent to the filing of this opinion with the Securities and Exchange Commission as Exhibit 5 of the Registration Statement. By giving such consent, we do not admit that we are included within the category of persons whose consent is required under Section 7 of the Securities Act or the rules and regulations issued thereunder. Very truly yours, Bracewell & Patterson, L.L.P.